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Finding the Fourth Proportional to 34,892.92, 48,151.20 and 19,786.96

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Solution

The fourth proportional to 34,892.92, 48,151.20 and 19,786.96 is: 27,305.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,892.92 : 48,151.20 = 19,786.96 : x
  2. Step 2: Convert to fraction form
    34,892.92/48,151.20 = 19,786.96/x
  3. Step 3: Cross multiply
    34,892.92x = 48,151.20 × 19,786.96
  4. Step 4: Simplify right side
    34,892.92x = 952,765,868.35
  5. Step 5: Solve for x
    x = 952,765,868.35/34,892.92
  6. Step 6: Final answer
    x = 27,305.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.